| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 | 
                                    
                                    0%
                                 | 
| 1 | None | 452 | 
                                    
                                    37.7%
                                 | 
| 2 | A small amount | 203 | 
                                    
                                    16.9%
                                 | 
| 3 | Some | 265 | 
                                    
                                    22.1%
                                 | 
| 4 | A lot | 174 | 
                                    
                                    14.5%
                                 | 
| 8 | Refused | 3 | 
                                    
                                    0.3%
                                 | 
| 9 | Don’t know | 103 | 
                                    
                                    8.6%
                                 |